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Finding the Fourth Proportional to 230,300.29, 345,450.44 and 89,960.50

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Solution

The fourth proportional to 230,300.29, 345,450.44 and 89,960.50 is: 134,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,300.29 : 345,450.44 = 89,960.50 : x
  2. Step 2: Convert to fraction form
    230,300.29/345,450.44 = 89,960.50/x
  3. Step 3: Cross multiply
    230,300.29x = 345,450.44 × 89,960.50
  4. Step 4: Simplify right side
    230,300.29x = 31,076,894,307.62
  5. Step 5: Solve for x
    x = 31,076,894,307.62/230,300.29
  6. Step 6: Final answer
    x = 134,940.75

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.